public void SpawnHumans()
{
abstractFactory = FactoryProducer.GetFactory(FactoryType.Human);
IHuman beggar;
IHuman farmer;
IHuman trader;
beggar = abstractFactory.GetHuman(HumanType.Beggar);
farmer = abstractFactory.GetHuman(HumanType.Farmer);
trader = abstractFactory.GetHuman(HumanType.Trader);
beggar.Speak();
farmer.Speak();
trader.Speak();
}